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IllegalStateException: Can not perform this action after onSaveInstanceState with ViewPager

...d onSaveInstanceState(Bundle outState) { outState.putString("WORKAROUND_FOR_BUG_19917_KEY", "WORKAROUND_FOR_BUG_19917_VALUE"); super.onSaveInstanceState(outState); } In the end the proper solution was (as seen in the comments) to use : transaction.commitAllowingStateLoss(); when adding ...
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os.walk without digging into directories below

... Use the walklevel function. import os def walklevel(some_dir, level=1): some_dir = some_dir.rstrip(os.path.sep) assert os.path.isdir(some_dir) num_sep = some_dir.count(os.path.sep) for root, dirs, files in os.walk(some_dir): yield root, dirs, files ...
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Escape Character in SQL Server

...(1000) SET @SQL = 'SELECT * FROM MyTable WHERE Field1 = @Field1' EXECUTE sp_executesql @SQL, N'@Field1 VARCHAR(10)', 'AAA' share | improve this answer | follow ...
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Configuring so that pip install can work from github

...oo would be: foo # the installable package ├── foo │   ├── __init__.py │   └── bar.py └── setup.py And install from github like: $ pip install git+ssh://git@github.com/myuser/foo.git or $ pip install git+https://github.com/myuser/foo.git@v123 or $ pip install git+htt...
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What is 'Pattern Matching' in functional languages?

... `Cons`, we only want the first part; that's the list's head. head (Cons h _) = h Since List a values can be of two different kinds, we need to handle each one separately; this is the pattern matching. In head x, if x matches the pattern Nil, then we run the first case; if it matches the pattern ...
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Pros and cons of using sbt vs maven in Scala project [closed]

... answered Jul 1 '12 at 12:25 0__0__ 63k1616 gold badges147147 silver badges237237 bronze badges ...
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How do I keep track of pip-installed packages in an Anaconda (Conda) environment?

...n import it, though. You have to do conda install C:\...PACKAGE-0.0.0-py27_0.tar.bz2 as described in stackoverflow.com/a/20750388/125507 – endolith Oct 16 '15 at 1:52 ...
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c#: getter/setter

...ate the equivalent of the following simple implementation: private string _type; public string Type { get { return _type; } set { _type = value; } } share | improve this answer |...
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How to compute the similarity between two text documents?

... package, computing cosine similarities is as easy as from sklearn.feature_extraction.text import TfidfVectorizer documents = [open(f) for f in text_files] tfidf = TfidfVectorizer().fit_transform(documents) # no need to normalize, since Vectorizer will return normalized tf-idf pairwise_similarity ...
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The simplest way to resize an UIImage?

... = UIGraphicsImageRenderer(size: newSize) let image = renderer.image { _ in self.draw(in: CGRect.init(origin: CGPoint.zero, size: newSize)) } return image.withRenderingMode(self.renderingMode) } And here's the Objective-C version: @implementation UIImage (ResizeCategory) - (U...